Private ssh key file should not we required in config.yml
Fix documentation to show that ssh keys are optional.
Merge pull request #1 from ofertix/optional-public-key-file

Optional public key file
Revert "fix output from localhostProxy"

This reverts commit c9c690e4f0ff4ed629b77d0084bde697b392e01c.
Add file helper to default helper set
Merge branch 'file-helper' into files-helper-copy-method